CN218290463U

CN218290463U - Filter core mounting structure

Info

Publication number: CN218290463U
Application number: CN202221999789.2U
Authority: CN
Inventors: 刘红星; 王行飞
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2023-01-13
Anticipated expiration: 2032-07-29

Abstract

The utility model relates to a filter core mounting structure, in this filter core mounting structure, the casing has opening installation passageway up, the filter core can shirk to locate in the installation passageway, the mount pad is arranged in the casing below and has opening slot up, because retaining member self can use the filter core axis to rotate as the relative mount pad of axle under the pulling of fag end, under the state of filter core assembly in the installation passageway, fag end and elastic component's mating reaction just can force retaining member corotation or reversal in the stage of difference, spacing portion of second on first spacing portion and the retaining member is relative or misplace from top to bottom on the inner wall of slot, realization that just can correspond is to the locking or the unblock of filter core, only need the pulling fag end can one step realize the unblock to the filter core during the in-service use, and because the retaining member restraint is in the filter core bottom, the pulling that the fag end lasts after the unblock filter core can also directly be dragged out from the installation passageway, and is very convenient.

Description

Filter core mounting structure

Technical Field

The utility model relates to a purifier filter core field, concretely relates to filter core mounting structure.

Background

The water purifier is also called as water purifier and water filter, and is water treatment equipment for deeply filtering and purifying water. The filter core that adopts in the common water purifier has three kinds of cotton filter core of PP, active carbon filter core and RO reverse osmosis membrane filter core, purifies water through the filter core, but along with live time's extension, the filter core can be blockked up to the impurity of aquatic, and the active carbon filter core can adsorb the saturation, and PP filter core just need be changed in 3 months generally speaking, and the active carbon filter core then needs 6 months to change. Because often include the different filter cores of a plurality of life-spans in the water purifier of a multistage filter core, need operate the filter core that needs to be changed alone when changing, and the space between the inner wall of straining a section of thick bamboo and the outer wall of filter core is less, causes the user to visit very inconveniently when taking out the filter core finger.

Therefore, the existing water purifier is improved in the structure of replacing the filter element so as to realize the purpose of conveniently taking and placing. For example, chinese utility model patent No. CN201720954636.9 discloses a composite filter element assembly and water purifier, the safety buckle of the composite filter element assembly is a semi-closed arc structure with an opening, the safety buckle comprises two connecting arms forming an opening and rotatably connected with a water path plate, when the safety buckle rotates to a first position, the safety buckle and the water path plate form a closed space, the composite filter element is arranged in the closed space and clamped between the water path plate and the safety buckle; when the safety buckle rotates to the second position, the safety buckle is used for applying a force which is back to the water circuit board to the composite filter element so as to enable the composite filter element to be separated from the water circuit board. The above structure realizes the insertion and replacement of the filter element, but needs to occupy the space outside the filter element, and the opening and closing are still inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to prior art's current situation, a filter core mounting structure convenient to locking and unblock is provided.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a filter cartridge mounting arrangement comprising:

a housing which is cylindrical and provided with an installation channel with an upward opening,

the filter element is detachably arranged in the mounting channel;

the mounting seat is arranged below the shell and provided with a slot with an upward opening, and the lower end of the filter element is positioned in the slot in a state that the filter element is assembled in the mounting channel;

have first spacing portion on the inner wall of slot, still including:

the locking piece is annular and is restrained at the bottom of the filter element, the outer edge of the locking piece is provided with a second limiting part which laterally extends out of the filter element, the locking piece is arranged to rotate relative to the mounting seat by taking the axis of the filter element as an axis, and the locking piece can rotate until the first limiting part and the second limiting part are opposite to each other up and down or staggered up and down in a state that the filter element is assembled in the mounting channel;

the elastic piece is arranged in the filter element and can act on the locking piece so that the locking piece always has the trend of forward rotation to the vertical opposite of the first limiting part and the second limiting part, and the first limiting part is positioned on a separation path of the second limiting part so that the filter element is in a locking state; and

the rope belt is arranged in the installation channel, the upper end of the rope belt is provided with an end head exposed out of the upper end opening of the installation channel, the lower end of the rope belt is connected to the locking piece, and the rope belt can drive the locking piece to rotate reversely to the first limiting part and the second limiting part to be staggered up and down under the driving of the end head so that the filter element is in an unlocking state.

In order to ensure that the filter element can be accurately positioned after being installed, preferably, the bottom of the filter element is provided with a limiting seat, and the limiting seat at the bottom of the filter element is positioned in the slot in a state that the filter element is assembled in the installation channel.

The locking member can be arranged outside the filter element, but preferably, the interior of the limiting seat is hollow to form a cavity, the locking member is arranged in the cavity, and the lower part of the limiting seat is also provided with an annular baffle plate for limiting the locking member to be separated from the cavity.

Realize spacing form and have the multiple, preferably, the protruding locating of the spacing part of second retaining member outer fringe corresponds first spacing portion is for setting up spacing tooth on the slot inner wall, set up the guiding hole that supplies spacing projection to pass on the lateral wall of spacing seat.

In order to facilitate the guiding hole is a strip-shaped hole, and the length direction of the strip-shaped hole extends along the circumferential direction of the limiting seat.

In order to ensure that the filter element can be uniformly locked in the circumferential direction, preferably, the locking member is provided with at least two limiting convex columns in the circumferential direction, the slot is provided with a limiting tooth at a position corresponding to each limiting convex column, and a gap for the limiting convex column to be separated is formed between every two adjacent limiting teeth.

In order to avoid interference of the rope belt on the assembly of the filter element, preferably, the middle part of the filter element is provided with a hole passage, the rope belt is arranged in the hole passage in a penetrating mode and is movably spaced from the inner wall of the hole passage, and two ends of the rope belt respectively extend out of the upper end and the lower end of the hole passage.

In order to avoid excessive wear of a part of the rope belt due to steering, preferably, the lower end of the pore passage is provided with a guide seat positioned in the cavity, the side wall of the guide seat is provided with a first threading hole, the periphery of the guide seat of the cavity is provided with at least two guide pieces extending downwards, and each guide piece is provided with a second threading hole.

In order to facilitate the connection of the water path, preferably, the mounting seat is provided with a water inlet and a water outlet, and the limiting seat of the filter element is correspondingly provided with a first port for connecting the water inlet and a second port for connecting the water outlet.

In order to facilitate the insertion of the filter element, preferably, the housing has a guide groove formed along the length direction of the housing, and the outer wall of the filter element is correspondingly and convexly provided with a guide rib.

Compared with the prior art, the utility model has the advantages of: in this filter core mounting structure, because retaining member self can use the filter core axis to rotate as the axle relative mount pad under the pulling of fag end, assemble under the state in erection channel at the filter core, fag end and elastic component's mating reaction just can force retaining member corotation or reversal in the stage of difference, spacing portion of second on first spacing portion and the retaining member is relative or misplace from top to bottom on the inner wall of slot, realization that just can correspond is to the locking or the unblock of filter core, and only need the pulling fag end can one step realize the unblock to the filter core during in-service use, and because the retaining member restraint is in the filter core bottom, the pulling that the fag end lasts behind the unblock filter core can also directly be dragged out the filter core from erection channel, and is very convenient.

Drawings

Fig. 1 is a schematic view of an overall structure of a filter element mounting structure in an embodiment of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is an enlarged schematic view of a portion of the structure of FIG. 2;

FIG. 4 is a general schematic view of the filter cartridge assembly without the mounting base;

FIG. 5 is an overall schematic view of the mount;

FIG. 6 is a schematic view of the engagement between the limiting seat and the mounting seat at the bottom of the filter element (the upper part of the limiting seat is omitted);

fig. 7 is a schematic view of the engagement between the bottom limiting seat and the locking member of the filter element.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 7, it is a preferred embodiment of the present invention. In the present embodiment, the cartridge installation structure includes a housing 1, a cartridge 3, a mounting seat 2, a locking member 4, an elastic member 5, and a string 6. The shell 1 is cylindrical and is provided with an installation channel 10 with an upward opening, the filter element 3 is detachably arranged in the installation channel 10, in order to facilitate assembly, the shell 1 is provided with a guide groove 1a which is arranged along the length direction of the shell, and the outer wall of the filter element 3 is correspondingly convexly provided with guide ribs.

The mounting seat 2 in this embodiment is disposed below the housing 1, and has a slot 20 with an upward opening, and when the filter element 3 is assembled in the mounting passage 10, the lower end of the filter element 3 is located in the slot 20, specifically, the bottom of the filter element 3 has a limiting seat 30, and when the filter element 3 is assembled in the mounting passage 10, the limiting seat 30 at the bottom is located in the slot 20. And for the smooth of water route, be provided with water inlet 21 and delivery port 22 on foretell mount pad 2, correspond to be provided with on the spacing seat 30 of filter core 3 and be used for plugging into the first port 3a of water inlet 21 and the second port 3b of delivery port 22 respectively.

In this embodiment, the locking and unlocking of the filter cartridge 3 is achieved by the cooperation of the first limiting portion 2a disposed on the inner wall of the slot 20 and the second limiting portion 40 disposed on the outer edge of the locking member 4 and extending out of the filter cartridge 3, the locking member 4 is in a ring shape and is constrained at the bottom of the filter cartridge 3, the locking member 4 is arranged to rotate relative to the mounting seat 2 with the axis of the filter cartridge 3 as the axis, in a state that the filter cartridge 3 is assembled in the mounting channel 10, the locking member 4 can rotate to the first limiting portion 2a and the second limiting portion 40 relative to each other up and down or misplaced up and down, so that when the first limiting portion 2a and the second limiting portion 40 are relative to each other up and down, the first limiting portion 2a will release the blocking of the second limiting portion 40, thereby allowing the filter cartridge 3 to be removed from the mounting channel 10.

In this embodiment, the positive rotation and the negative rotation of the locking member 4 are respectively driven by the elastic member 5 and the cord 6, wherein the elastic member 5 is disposed in the filter element 3 and can act on the locking member 4, so that the locking member 4 always has a tendency of rotating forward to the first limiting portion 2a and the second limiting portion 40 up and down, so that the first limiting portion 2a is located on a separation path of the second limiting portion 40, so that the filter element 3 is in a locked state, the cord 6 is disposed in the installation channel 10, the upper end of the cord 6 has an end 61 exposed out of the upper end opening of the installation channel 10, the lower end of the cord is connected to the locking member 4, and the cord 6 can drive the locking member 4 to rotate backward under the driving of the end 61 to the first limiting portion 2a and the second limiting portion 40 up and down to be dislocated, so that the filter element 3 is in an unlocked state.

Specifically, the interior of the stopper base 30 is hollow to form a cavity 33, the locking member 4 is disposed in the cavity 33, and the lower portion of the stopper base 30 is further provided with a ring-shaped stopper 34 for restricting the locking member 4 from being separated from the cavity 33. The first position-limiting portion 2a and the second position-limiting portion 40 can be different specific forms, in this embodiment, the second position-limiting portion 40 is a position-limiting protrusion protruding from the outer edge of the locking member 4, and is a position-limiting tooth disposed on the inner wall of the slot 20 corresponding to the first position-limiting portion 2a, and a guide hole 35 for the position-limiting protrusion to pass through is disposed on the side wall of the position-limiting seat 30. In order to facilitate the movement of the locking member 4, the guiding hole 35 is a strip-shaped hole, and the length direction of the strip-shaped hole extends along the circumferential direction of the limiting seat 30. In addition, locking member 4 has two at least spacing protruding posts in circumference, and slot 20 all is provided with a spacing tooth in the position that corresponds every spacing protruding post, and forms the clearance that supplies spacing protruding post to deviate from between two adjacent spacing teeth.

In order to avoid the partial excessive wear caused by the change of the transmission direction of the rope belt 6, the filter element 3 in this embodiment has a hole 32 in the middle, the rope belt 6 is inserted into the hole 32 and a movable gap is left between the rope belt and the inner wall of the hole 32, and two ends of the rope belt 6 respectively extend out of the upper and lower ends of the hole 32. The lower end of the duct 32 is provided with a guide seat 36 located in the cavity 33, a first threading hole 360 is formed in the side wall of the guide seat 36, at least two guide pieces 37 extending downwards are arranged on the periphery of the guide seat 36 of the cavity 33, and a second threading hole 370 is formed in each guide piece 37.

Furthermore, directional terms, such as "front," "rear," "upper," "lower," "left," "right," "side," "top," "bottom," and the like, used in the description and claims of the present invention are used to describe various example structural portions and elements of the present invention, but are used herein for convenience of description only and are to be determined based on example orientations shown in the accompanying drawings. Because the disclosed embodiments may be arranged in different orientations, these directional terms are for illustrative purposes only and should not be construed as limiting, and for example, "upper" and "lower" are not necessarily limited to orientations opposite or consistent with the direction of gravity.

Claims

1. A filter cartridge mounting arrangement comprising:

a cylindrical housing (1) having an installation passage (10) with an upward opening,

the filter element (3) is detachably arranged in the mounting channel (10);

the mounting seat (2) is arranged below the shell (1) and is provided with a slot (20) with an upward opening, and the lower end of the filter element (3) is positioned in the slot (20) in the state that the filter element (3) is assembled in the mounting channel (10);

the utility model is characterized in that, have first spacing portion (2 a) on the inner wall of slot (20), still including:

the locking piece (4) is annular and is restrained at the bottom of the filter element (3), a second limiting part (40) which laterally and outwards extends out of the filter element (3) is arranged on the outer edge of the locking piece (4), the locking piece (4) is arranged to rotate relative to the mounting seat (2) by taking the axis of the filter element (3) as an axis, and the locking piece (4) can rotate until the first limiting part (2 a) and the second limiting part (40) are opposite to each other up and down or staggered up and down in the state that the filter element (3) is assembled in the mounting channel (10);

the elastic piece (5) is arranged in the filter element (3) and can act on the locking piece (4) so that the locking piece (4) always has the trend of forward rotation to the first limiting part (2 a) and the second limiting part (40) to be opposite up and down, and the first limiting part (2 a) is positioned on the separation path of the second limiting part (40) so that the filter element (3) is in a locking state; and

the rope belt (6) is arranged in the installation channel (10), the upper end of the rope belt is provided with an end head (61) exposed out of an upper end opening of the installation channel (10), the lower end of the rope belt is connected onto the locking piece (4), and the rope belt (6) can drive the locking piece (4) to reversely rotate to the first limiting part (2 a) and the second limiting part (40) to be vertically staggered under the driving of the end head (61), so that the filter element (3) is in an unlocking state.

2. A filter cartridge mounting arrangement according to claim 1, wherein: the bottom of the filter element (3) is provided with a limiting seat (30), and the limiting seat (30) at the bottom is positioned in the slot (20) in the state that the filter element (3) is assembled in the installation channel (10).

3. A filter cartridge mounting arrangement according to claim 2, wherein: the inner part of the limiting seat (30) is hollow to form a cavity (33), the locking piece (4) is arranged in the cavity (33), and the lower part of the limiting seat (30) is further provided with an annular blocking piece (34) used for limiting the locking piece (4) to be separated from the cavity (33).

4. A filter cartridge mounting arrangement according to claim 3, wherein: the protruding spacing projection of retaining member (4) outer fringe of locating of second portion (40) corresponds first spacing portion (2 a) is for setting up spacing tooth on slot (20) inner wall, set up guiding hole (35) that supply spacing projection to pass on the lateral wall of spacing seat (30).

5. A filter cartridge mounting arrangement according to claim 4, wherein: the guiding hole (35) is a strip-shaped hole, and the length direction of the strip-shaped hole extends along the circumferential direction of the limiting seat (30).

6. A filter cartridge mounting arrangement according to claim 5, wherein: retaining member (4) have two at least spacing projections in week, slot (20) all are provided with a spacing tooth in the position that corresponds every spacing projection, and form the clearance that supplies spacing projection to deviate from between two adjacent spacing teeth.

7. A filter cartridge mounting arrangement according to claim 6, wherein: the filter element (3) is provided with a hole (32) in the middle, the rope belt (6) is arranged in the hole (32) in a penetrating mode, a movable gap is reserved between the rope belt and the inner wall of the hole (32), and the two ends of the rope belt (6) extend out of the upper end and the lower end of the hole (32) respectively.

8. A filter cartridge mounting arrangement according to claim 7, wherein: the lower end of the pore canal (32) is provided with a guide seat (36) positioned in the cavity (33), the side wall of the guide seat (36) is provided with a first threading hole (360), the periphery of the guide seat (36) of the cavity (33) is provided with at least two guide sheets (37) extending downwards, and each guide sheet (37) is provided with a second threading hole (370).

9. A filter cartridge mounting arrangement according to claim 8, wherein: the water inlet (21) and the water outlet (22) are arranged on the mounting seat (2), and the first port (3 a) and the second port (3 b) which are respectively used for connecting the water inlet (21) and the water outlet (22) are correspondingly arranged on the limiting seat (30) of the filter element (3).

10. A filter cartridge mounting arrangement according to claim 9, wherein: the shell (1) is provided with a guide groove (1 a) which is arranged along the length direction of the shell, and the outer wall of the filter element (3) is correspondingly and convexly provided with guide ribs.